/*
 * $URL: http://dnsprobe.googlecode.com/svn/trunk/dnsprobe/src/dnsprobe/gui/model/AccessProviderModel.java $
 * 
 * Copyright (c) 2009, Anonymous
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the Anonymous nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY ANONYMOUS ''AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 * EVENT SHALL ANONYMOUS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 */

package dnsprobe.gui.model;

import java.util.List;

import javax.swing.AbstractListModel;
import javax.swing.ComboBoxModel;

import dnsprobe.Application;
import dnsprobe.data.AccessProvider;
import dnsprobe.data.ApplicationData;

/**
 * ComboBoxModel fuer die Nameserver-JComboBox
 * 
 * Holt die Daten aus dem ApplicationData Objekt
 * 
 * @author BerndBernhardson
 * @author anon004
 * @author snoop
 * @version $Id: AccessProviderModel.java 158 2009-07-07 22:13:03Z bernhardson@gmx.net $
 *
 * @see ApplicationData#getProviderList()
 */
public class AccessProviderModel extends AbstractListModel implements ComboBoxModel
{
	private static final long serialVersionUID = 1L;
	
	private final List<AccessProvider> list;
	
	private Object selectedItem;
	
	
	public AccessProviderModel()
	{
		super();
		
		list = Application.getData().getProviderList();
		
		if(list.size() > 0)
		{
			selectedItem = list.get(0);
		}
	}
	
	@Override
	public Object getElementAt(int index)
	{
		return list.get(index);
	}

	@Override
	public int getSize()
	{
		return list.size();
	}

	@Override
	public Object getSelectedItem()
	{
		return this.selectedItem;
	}
	
	@Override
	public void setSelectedItem(final Object anItem)
	{
		if((this.selectedItem != null && !this.selectedItem.equals(anItem)) || 
		   (this.selectedItem != null && anItem != null))
		{
			this.selectedItem = anItem;
			
			fireContentsChanged(this, -1, -1);
		}
	}

}
